need help in editing nef format

  1. R

    Hello Everyone, I'm new here. I need help with editing my NEF format pictures. Please !

    I have taken pictures of my friend for his graduation and there was something wrong with the lighting and they came out weird.The camera I used was NIKON D3400 with 50mm f/1.8D lens, manual focus, Contrast AF, Aperture f/0, shutter speed: 1/125s, ISO 800. Can somebody tell me whether i can make...